Textured Thermoplastic Composite Panels With In-Line Lamination
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Solution Overview
Problem
The production of decorative panels is time-consuming and tedious, often requiring separate processes and sites for different components.
Innovation Solution
An in-line lamination process that combines reinforcing materials and thermoplastic material in an aqueous solution, forming a web with open cell structures, drying and heating to create a porous core layer, applying a textured film layer, and consolidating under pressure to produce a thermoplastic composite article.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional separate processes are used to produce different panel components, then each component can be manufactured with specialized processes, but the overall production time increases and the process becomes more tedious
Solution Approach 1:
The patent combines multiple separate manufacturing processes (forming, drying, heating, lamination) into a single integrated in-line production system. The reinforcing materials, thermoplastic material, and textured film layer are processed together in one continuous operation, eliminating the need for separate production steps and sites while maintaining component quality.
Solution Approach 2:
The textured film layer is pre-formed with its final texture and pattern characteristics before being applied to the core layer. This preliminary preparation allows the film to be ready for immediate lamination in the in-line process, reducing overall production time while ensuring the decorative surface meets quality requirements.
2Productivity
If an in-line lamination process is used to combine all components in one process, then production time is reduced, but the process complexity increases
Solution Approach 1:
The in-line process is divided into distinct functional zones: a forming section where reinforcing materials and thermoplastic material are combined in aqueous solution, a drying section where water is removed to form the porous core layer, a heating section where the core layer is heated to melt the thermoplastic material, and a lamination section where the textured film layer is applied. This segmentation allows each zone to be optimized independently while maintaining overall process integration.
3Device complexity
If the textured film layer is applied to the heated porous core layer without adhesive, then the process becomes simpler and more efficient, but the adhesion between layers may be insufficient
Solution Approach 1:
The patent utilizes the temperature parameter of the heated porous core layer to enable direct adhesion of the textured film layer without additional adhesive. The heat from the core layer (heated to above the melting point of the thermoplastic material) creates sufficient bonding between the layers through thermal activation of the thermoplastic material, simplifying the process while maintaining strong adhesion.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The process results in a lightweight, durable, and waterproof composite panel with enhanced adhesion and fire retardancy, suitable for recreational vehicles and building applications, reducing production time and complexity.
Implementation Method 1
heating the dried, porous core layer on the moving support to melt the thermoplastic material of the heated, porous core layer
Implementation Method 2
removing water from the disposed aqueous solution on the moving support to form a web comprising open cell structures
Data Source
AI summary
In-line systems and in-line methods are described that can be used to provide lightweight reinforced thermoplastic composite articles that include a textured film layer. The textured film layer can provide one or more of water resistance, flame retardancy, a desired surface roughness or other desired properties. The lightweight reinforced thermoplastic composite articles that include a textured film layer can be used in building applications, in recreational vehicle applications and in other applications as desired.